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490547 = 2272161
BaseRepresentation
bin1110111110000110011
3220220220102
41313300303
5111144142
614303015
74112111
oct1676063
9826812
10490547
11305612
121b7a6b
13142385
14caab1
159a532
hex77c33

490547 has 4 divisors (see below), whose sum is σ = 492936. Its totient is φ = 488160.

The previous prime is 490543. The next prime is 490549. The reversal of 490547 is 745094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490547 - 22 = 490543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490547.

It is not an unprimeable number, because it can be changed into a prime (490541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (123234).

2490547 is an apocalyptic number.

490547 is a deficient number, since it is larger than the sum of its proper divisors (2389).

490547 is a wasteful number, since it uses less digits than its factorization.

490547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 490547 is about 700.3906053054. The cubic root of 490547 is about 78.8666767973.

The spelling of 490547 in words is "four hundred ninety thousand, five hundred forty-seven".

Divisors: 1 227 2161 490547